What error are you getting? Is the OPC server on the same machine or a different machine? It most likely is a DCOM issue.
You can look at this troubleshooting guide that might help:
Troubleshooting_OPC_and_DCOM.pdf (794 KB)
What error are you getting? Is the OPC server on the same machine or a different machine? It most likely is a DCOM issue.
You can look at this troubleshooting guide that might help:
Troubleshooting_OPC_and_DCOM.pdf (794 KB)